testgeometry.c 6.22 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
/* testgeometry.c
 * Author: Owen Taylor <otaylor@redhat.com>
 * Copyright © 2010 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
Javier Jardón's avatar
Javier Jardón committed
16
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
 */

#include <gtk/gtk.h>

#define GRID_SIZE 20
#define BORDER 6

static int window_count = 0;
const char *geometry_string;

static void
on_window_destroy (GtkWidget *widget)
{
  window_count--;
  if (window_count == 0)
    gtk_main_quit();
}

static gboolean
on_drawing_area_draw (GtkWidget *drawing_area,
		      cairo_t   *cr,
		      gpointer   data)
{
  int width = gtk_widget_get_allocated_width (drawing_area);
  int height = gtk_widget_get_allocated_height (drawing_area);
  int x, y;
  int border = 0;
  GdkWindowHints mask = GPOINTER_TO_UINT(data);

  cairo_set_source_rgb (cr, 1, 1, 1);
  cairo_paint (cr);

  if ((mask & GDK_HINT_BASE_SIZE) != 0)
    border = BORDER;

  cairo_set_source_rgb (cr, 0, 0, 0);
  for (y = 0; y < height - 2 * border; y += GRID_SIZE)
    for (x = 0; x < width - 2 * border; x += GRID_SIZE)
      if (((x + y) / GRID_SIZE) % 2 == 0)
	{
	  cairo_rectangle (cr, border + x, border + y, GRID_SIZE, GRID_SIZE);
	  cairo_fill (cr);
	}

  if (border > 0)
    {
      cairo_set_source_rgb (cr, 0, 0, 1);
      cairo_save (cr);
      cairo_set_line_width (cr, border);
      cairo_rectangle (cr,
		       border / 2., border / 2., width - border, height - border);
      cairo_stroke (cr);
    }

  return FALSE;
}

74 75 76 77 78 79 80 81 82 83 84 85 86
static void
on_resize_clicked (GtkWidget *button,
		   gpointer   data)
{
  GtkWidget *window = gtk_widget_get_toplevel (button);
  GdkWindowHints mask = GPOINTER_TO_UINT(data);

  if ((mask & GDK_HINT_RESIZE_INC) != 0)
    gtk_window_resize_to_geometry (GTK_WINDOW (window), 8, 8);
  else
    gtk_window_resize_to_geometry (GTK_WINDOW (window), 8 * GRID_SIZE, 8 * GRID_SIZE);
}

87 88 89 90 91
static void
create_window (GdkWindowHints  mask)
{
  GtkWidget *window;
  GtkWidget *drawing_area;
92
  GtkWidget *grid;
93
  GtkWidget *label;
94
  GtkWidget *button;
95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
  GdkGeometry geometry;
  GString *label_text = g_string_new (NULL);
  int border = 0;

  if ((mask & GDK_HINT_RESIZE_INC) != 0)
    g_string_append (label_text, "Gridded\n");
  if ((mask & GDK_HINT_BASE_SIZE) != 0)
    g_string_append (label_text, "Base\n");
  if ((mask & GDK_HINT_MIN_SIZE) != 0)
    {
      g_string_append (label_text, "Minimum\n");
      if ((mask & GDK_HINT_BASE_SIZE) == 0)
	g_string_append (label_text, "(base=min)\n");
    }
  if ((mask & GDK_HINT_MAX_SIZE) != 0)
    g_string_append (label_text, "Maximum\n");

  if (label_text->len > 0)
    g_string_erase (label_text, label_text->len - 1, 1);
  else
    g_string_append (label_text, "No Options");

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  g_signal_connect (window, "destroy",
		    G_CALLBACK (on_window_destroy), NULL);

121 122
  grid = gtk_grid_new ();
  gtk_container_set_border_width (GTK_CONTAINER (grid), 10);
123 124

  label = gtk_label_new (label_text->str);
125 126
  gtk_widget_set_hexpand (label, TRUE);
  gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
127 128

  label = gtk_label_new ("A\nB\nC\nD\nE");
129
  gtk_grid_attach (GTK_GRID (grid), label, 1, 1, 1, 1);
130 131 132 133 134

  drawing_area = gtk_drawing_area_new ();
  g_signal_connect (drawing_area, "draw",
		    G_CALLBACK (on_drawing_area_draw),
		    GUINT_TO_POINTER (mask));
135 136 137
  gtk_widget_set_hexpand (drawing_area, TRUE);
  gtk_widget_set_vexpand (drawing_area, TRUE);
  gtk_grid_attach (GTK_GRID (grid), drawing_area, 0, 1, 1, 1);
138

139 140 141 142
  button = gtk_button_new_with_label ("Resize");
  g_signal_connect (button, "clicked",
		    G_CALLBACK (on_resize_clicked),
		    GUINT_TO_POINTER (mask));
143 144
  gtk_widget_set_hexpand (button, TRUE);
  gtk_grid_attach (GTK_GRID (grid), button, 0, 2, 1, 1);
145

146
  gtk_container_add (GTK_CONTAINER (window), grid);
147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173

  if ((mask & GDK_HINT_BASE_SIZE) != 0)
    {
      border = BORDER;
      geometry.base_width = border * 2;
      geometry.base_height = border * 2;
    }

  if ((mask & GDK_HINT_RESIZE_INC) != 0)
    {
      geometry.width_inc = GRID_SIZE;
      geometry.height_inc = GRID_SIZE;
    }

  if ((mask & GDK_HINT_MIN_SIZE) != 0)
    {
      geometry.min_width = 5 * GRID_SIZE + 2 * border;
      geometry.min_height = 5 * GRID_SIZE + 2 * border;
    }

  if ((mask & GDK_HINT_MAX_SIZE) != 0)
    {
      geometry.max_width = 15 * GRID_SIZE + 2 * border;
      geometry.max_height = 15 * GRID_SIZE + 2 * border;
    }

  /* Contents must be set up before gtk_window_parse_geometry() */
174
  gtk_widget_show_all (grid);
175 176 177 178 179 180 181 182 183 184

  gtk_window_set_geometry_hints (GTK_WINDOW (window),
				 drawing_area,
				 &geometry,
				 mask);

  if ((mask & GDK_HINT_RESIZE_INC) != 0)
    {
      if (geometry_string)
	gtk_window_parse_geometry (GTK_WINDOW (window), geometry_string);
185 186 187 188 189 190
      else
	gtk_window_set_default_geometry (GTK_WINDOW (window), 10, 10);
    }
  else
    {
      gtk_window_set_default_geometry (GTK_WINDOW (window), 10 * GRID_SIZE, 10 * GRID_SIZE);
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221
    }

  gtk_widget_show (window);
  window_count++;
}

int
main(int argc, char **argv)
{
  GError *error;
  GOptionEntry options[] = {
    { "geometry", 'g', 0, G_OPTION_ARG_STRING, &geometry_string, "Window geometry (only for gridded windows)", "GEOMETRY" },
    { NULL }
  };

  if (!gtk_init_with_args (&argc, &argv, "", options, NULL, &error))
    {
      g_print ("Failed to parse args: %s\n", error->message);
      g_error_free (error);
      return 1;
    }

  create_window (GDK_HINT_MIN_SIZE);
  create_window (GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE);
  create_window (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
  create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MIN_SIZE);
  create_window (GDK_HINT_RESIZE_INC | GDK_HINT_MAX_SIZE);
  create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE);
  create_window (GDK_HINT_RESIZE_INC | GDK_HINT_BASE_SIZE | GDK_HINT_MIN_SIZE);

  gtk_main ();
222 223

  return 0;
224
}